CESAR HERVAS MARTINEZ2026-01-292026-01-29201310.1109/TSMCC.2013.22475952-s2.0-84890120267https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/25002Computer Science ApplicationsControl and Systems EngineeringElectrical and Electronic EngineeringHuman-Computer InteractionInformation SystemsSoftwareAddressing the EU sovereign ratings using an ordinal regression approachresearch article